<p>Upgrade <code>RHEL:7</code> <code>kernel</code> to version 0:3.10.0-229.el7 or higher.<br>This issue was patched in <code>RHSA-2015:0290</code>.</p>

Resource Exhaustion Affecting kernel package, versions <0:3.10.0-229.el7

Threat Intelligence

0.06% (30^th percentile)

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Snyk ID SNYK-RHEL7-KERNEL-4573121
published 26 Jul 2021
disclosed 21 Oct 2014

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Introduced: 21 Oct 2014

CVE-2014-3690 Open this link in a new tab CWE-400 Open this link in a new tab

How to fix?

Upgrade RHEL:7 kernel to version 0:3.10.0-229.el7 or higher.
This issue was patched in RHSA-2015:0290.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

arch/x86/kvm/vmx.c in the KVM subsystem in the Linux kernel before 3.17.2 on Intel processors does not ensure that the value in the CR4 control register remains the same after a VM entry, which allows host OS users to kill arbitrary processes or cause a denial of service (system disruption) by leveraging /dev/kvm access, as demonstrated by PR_SET_TSC prctl calls within a modified copy of QEMU.

References

CVSS Scores

version 3.1

Attack Vector (AV)

Local
Attack Complexity (AC)

Low
Privileges Required (PR)

Low
User Interaction (UI)

None

Scope (S)

Unchanged

Confidentiality (C)

None
Integrity (I)

None
Availability (A)

High